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Home Gemstones Star Sapphire
4.17 ctw Blue Star Sapphire Gemstones, Star Sapphire Gems in Oval Cabochon Shape for Sale.
Photos are of Actual Products for Sale
4.17 ctw Blue Star Sapphire Stones, Natural Star Sapphire in Oval Cabochon Shape for Sale Star Sapphire Gemstones in 7 x 5 mm (calibrated) Size for Sale, Star Sapphire Stones in Deep Navy Blue Color

4.17ct Natural Blue Star Sapphire, Oval Cut, 6.8x5.1 mm

9.7 out of 10
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Product ID: 490125
Type: Star Sapphire
Weight: 4.17 ct (total) 4 gems
avg. 1.04 ct
Size: 7 x 5 mm calibrated
Size: 6.8 x 5.1 x 2.7 mm
Exact Size: 6.84 x 5.11 x 2.70 mm
Length x Width x Depth
Shape: Oval Cabochon
Color: Deep Navy Blue
Clarity: Opaque
Treatment: Diffused
Origin: Thailand
Content: 4 pcs
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Product Description

These are 4.17 carat natural deep navy blue Star Sapphire gems, 4 pcs in oval shape with an exact size of 6.84 x 5.11 x 2.70 mm. These loose Star Sapphire gemstones were mined in Thailand and their clarity is Opaque.

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GemSelect Certified Store Reviews

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Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great website, easy to navigate, and loads quickly. Have bought here before, very pleased!

Posted By SallyO in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very food

Posted By Keeto in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have been very happy with my prior purchases and enjoy the website experience.

Posted By Trouble in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always get a nice gemstone. Just like the picture. Never disappointed

Posted By Ron T in June, 2026
Source: Bizrate
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Enlarged Gemstone Image